Estelon X Diamond Mk II Floorstanding Speakers


The graceful exterior of the new X Diamond Mk II boasts the same sweeping silhouette as its predecessor; however, its soaring cabinet houses a host of technological developments resulting in one of the most sophisticated full-range speakers on the market.

The X Diamond Mk II system’s engineering advancements include a new ultra-hard diamond tweeter and a new crossover network with improved components for a wider dynamic range and transparency. The X Diamond Mk II incorporates new cabling that contributes to an exhilarating audio experience.

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Estelon X Diamond Mk II Floorstanding Speakers

Estelon X Diamond Mk II Floorstanding Speakers


All Estelon products are produced in a similar fashion using the same general design and construction principles. Through advanced and innovative engineering concepts, our loudspeakers form a synergy with the room and its acoustics to re-create an emotionally involving listening experience that exposes the soundstage and musical details of the recording, as it was meant to be heard.

Estelon engineering took many years of research and testing to find the right material that would allow the highest quality of cabinet and construction for the loudspeaker’s acoustically engineered complex shape. We developed a proprietary marble-based composite material and special moulding technology to be able to make cabinets with such advanced surface geometry, inside and out.

The unique shape of the cabinet is highly complicated and differs greatly from a classical box design. The combination of curved cabinet walls and a complex system of interior chambers make the cabinet non-resonant. Such a highly advanced and complex cabinet design and construction allows only pure and uninfluenced sound to emanate from the various high-performance driver elements.

In order to assist the loudspeaker to unveil its purest musicality, advanced internal dampening has been implemented. The dampening was designed through a long testing process to have the best effect and overall balance throughout the musical spectrum. We have chosen different natural and synthetic dampening materials. The dampening materials type, placement and amount have been chosen through calculations, measuring and rigorous listening tests.

Each loudspeaker has one woofer, one mid-woofer and one tweeter. In order for the speaker to reproduce the full spectrum of sound with the absolute highest quality, a combination of three different driver types has been carefully chosen. These high-quality drivers are designed and produced by German driver manufacturer Thiel & Partner GmbH under the brand name Accuton and are revered globally as the best.

The crossover components have been chosen from among the absolute best available, and the synergy of the end result has been a significant deciding factor. Every component is measured to yield perfect pairs. The crossover filters are in their own isolated chamber to reduce the microphonic effects and vibration influence. The crossover filter slopes between woofer and mid-woofer are third-order, and second-order between mid-woofer and tweeter.


Type Passive speaker, Bass reflex
Drivers Woofer: 280 mm (11-inch) Accuton, ceramic sandwich dome, Mid-woofer: 173 mm (7-inch) Accuton, ceramic membrane, Tweeter: 25 mm (1-inch) Accuton, diamond inverted dome
Internal Wiring Kubala-Sosna pure copper
Frequency Response 22-60 000 Hz
Power Rating 200 W
Nominal Impedance 6 ohms (min 3,5 ohms at 50 Hz)
Sensitivity 88 dB / 2,83 V
Minimal Amplifier Power 20 W
Cabinet Material Marble based composite
Dimensions Height: 1370 mm (54-inch), Width: 450 mm (17.7-inch), Depth: 640 mm (25.1-inch), Net weight: 86 kg per piece
Recommended Room Size 25-80 m²


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